Centrifugal Fan, Fan, Ventilator, Blower, Industrial Fan, Ventilation, Ventilator Fan, Air MoverFeatures: 1) Low noise, hi-efficiency, light and reliable operation 2) Application: general ventilation of high buildings and factories Specification: 1)Dia.:400-1,600mm 2)Airflow:824-82,000m3/h 3)Pressure:3,000-16,000pa